3a+4=a+15

Simple and best practice solution for 3a+4=a+15 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3a+4=a+15 equation:


Simplifying
3a + 4 = a + 15

Reorder the terms:
4 + 3a = a + 15

Reorder the terms:
4 + 3a = 15 + a

Solving
4 + 3a = 15 + a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-1a' to each side of the equation.
4 + 3a + -1a = 15 + a + -1a

Combine like terms: 3a + -1a = 2a
4 + 2a = 15 + a + -1a

Combine like terms: a + -1a = 0
4 + 2a = 15 + 0
4 + 2a = 15

Add '-4' to each side of the equation.
4 + -4 + 2a = 15 + -4

Combine like terms: 4 + -4 = 0
0 + 2a = 15 + -4
2a = 15 + -4

Combine like terms: 15 + -4 = 11
2a = 11

Divide each side by '2'.
a = 5.5

Simplifying
a = 5.5

See similar equations:

| z=y-6 | | 4(x+10)=72 | | (x-1)(x+1)-3x(x-1)=0 | | (x-1)(x-1)-3x(x-1)=0 | | 4(x+10)=10 | | 8-t=45 | | (108/12)2 | | (-6x^3y^6)(7xy^2)= | | 4x-12y=6 | | 2(m+4)-5=2m+3 | | 1(-7-5-10v)= | | 4/3x+1=-4-2w | | 4x+1=-4-2w | | x^2+60x+600=1064 | | 4x-5+2x=-2 | | -1/5x+3=-7 | | 29m+56=462 | | 3n+5=-8(6+5n) | | a+2/3=5/6+1/2a | | X^2-97*x+1296=0 | | -4x-5=53 | | -5y-10=-60 | | -5x(x+3)(-2x-17)=0 | | 6+3m=2m-a | | 6+3m=2m-4-6 | | 2=-13x | | g3/5=-6 | | -6x+1=-59 | | (19x-13)(2x-7)(-9x+15)=0 | | -7/3x+5/2x=-11/18 | | 2(16-3)/9+4 | | 4x+24=68 |

Equations solver categories